Examine source code of The Witcher

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Witcher",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(246, 220, 205, 0.09)",
      "toolbar_text": "rgb(211, 247, 253)",
      "frame": "rgb(30, 65, 78)",
      "tab_background_text": "rgb(129, 233, 252)",
      "toolbar_field": "rgba(251, 240, 234, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(121, 184, 226)",
      "popup": "rgb(30, 65, 78)",
      "popup_text": "rgb(211, 247, 253)",
      "button_background_active": "rgba(53, 109, 130, 0.6)",
      "button_background_hover": "rgba(1, 53, 63, 0.5)",
      "frame_inactive": "rgb(180, 243, 255)",
      "icons_attention": "rgb(129, 233, 252)",
      "icons": "rgb(129, 233, 252)",
      "ntp_background": "rgb(30, 65, 78)",
      "popup_border": "rgb(95, 193, 211)",
      "popup_highlight_text": "rgb(10, 35, 44)",
      "popup_highlight": "rgba(148, 223, 251, 0.6)",
      "sidebar_border": "rgb(104, 193, 210)",
      "sidebar_highlight_text": "rgb(0, 84, 100)",
      "sidebar_highlight": "rgb(211, 247, 253)",
      "sidebar_text": "rgb(211, 247, 253)",
      "sidebar": "rgb(30, 65, 78)",
      "tab_background_separator": "rgba(129, 233, 252, 0.46)",
      "toolbar_bottom_separator": "rgb(104, 193, 210)",
      "toolbar_field_border_focus": "rgb(170, 203, 208)",
      "toolbar_field_border": "rgba(170, 203, 208, 0.31)",
      "toolbar_field_focus": "rgb(30, 65, 78)",
      "toolbar_field_highlight_text": "rgba(0, 36, 43, 0.53)",
      "toolbar_field_highlight": "rgb(137, 240, 255)",
      "toolbar_field_separator": "rgba(121, 237, 255, 0.33)",
      "toolbar_field_text_focus": "rgb(129, 233, 252)",
      "toolbar_top_separator": "rgba(87, 229, 255, 0)",
      "toolbar_vertical_separator": "rgba(167, 241, 255, 0.53)",
      "tab_loading": "rgb(121, 184, 226)"
    }
  }
}